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The study published Wednesday in the journal The Lancet estimates that by mid-2019 there were 450 fewer cervical cancer cases and 17,200 fewer pre-cancer cases than expected in the vaccinated population. .
Researchers from Kings College London and the UK government looked at data from the UK population-based cancer registry between January 2006 and June 2019 for seven groups of women, comparing those who were vaccinated to those who were not. have not been.
Of the three groups that were vaccinated, each was vaccinated at different ages. One group was vaccinated at 12-13 years old, another at 14-16 years old and another at 16-18 years old. People vaccinated from a young age were the most protected, the team reported. Those who got vaccinated between the ages of 14 and 16 saw a reduced rate of 62%, and the rates were reduced by 24% among those vaccinated between the ages of 16 and 18.
“This study provides the first direct evidence of the impact of the UK HPV vaccination campaign on the incidence of cervical cancer, showing a sharp reduction in cervical cancer rates in women. vaccinated cohorts, ”said study co-author Dr Kate Soldan of the UK Health Security Agency. .
“This represents an important step forward in the prevention of cervical cancer. We hope that these new results will encourage uptake because the success of the vaccination program depends not only on the effectiveness of the vaccine but also on the proportion of the population vaccinated. “
Cervical cancer is rare in young women, so it is still too early to determine the full impact of HPV vaccination on overall cervical cancer rates. The UK also stopped using the HPV vaccine in this study in 2012. Now, instead of the Cervarix vaccine, the UK uses the Gardasil vaccine instead.
Last year, the World Health Organization launched the Global Strategy to Accelerate Cervical Cancer Elimination, the world’s first-ever commitment to eliminate cancer, setting the goal of getting 90% immunized. % of girls with HPV before the age of 15.
In January, the US Department of Health and Human Services also launched a campaign to increase HPV vaccination rates. The campaign specifically targeted states with some of the lowest HPV vaccination rates, including South Carolina, Texas and Mississippi.
In 2021, the American Academy of Pediatrics found that HPV vaccination rates are improving, but less than half of young adults in the United States have received one or more doses, and the HPV vaccination rate has yet to catch up with other vaccines. The CDC began recommending the HPV vaccine for girls ages 11 to 12 in 2006. A 2021 CDC report found that cervical cancer rates in the United States had declined significantly thanks to the HPV vaccine.
HPV is the most common sexually transmitted virus in the United States. Although it usually resolves on its own, persistent HPV infection puts women at increased risk for cervical cancer, back throat cancer, and anogenital cancer. HPV also puts men at an increased risk for anal, penile and throat cancer.
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Sources 2/ https://www.cnn.com/2021/11/04/health/hpv-vaccine-cancer-rates-study/index.html The mention sources can contact us to remove/changing this article |
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